Coin: add CI build for kirkstone

Add CI build using Yocto kirkstone branches and retire hardknott build
in favor of it. Hardknott is EOL on April 2022. Only dev branch will
continue to be tested against Yocto master.

Change-Id: I9aad0e14c1a5054b2e9eab85ec8a2f2d603f6427
Reviewed-by: Mikko Gronoff <mikko.gronoff@qt.io>
(cherry picked from commit 670a077467)

README.md

@@ -23,9 +23,9 @@ the LAYERSERIES_COMPAT (c).
 
 | Yocto \ Qt | 6.2 | 6.1 | 6.0 |
 | ---------- |:---:|:---:|:---:|
-| master     |  x  |     |     |
+| kirkstone  |  x  |     |     |
 | honister   |  x  |     |     |
-| hardknott  |  x  |  x  |  x  |
+| hardknott  |  c  |  x  |  x  |
 | gatesgarth |  c  |  x  |  x  |
 | dunfell    |  x  |  x  |  x  |
 

coin/module_config.yaml

@@ -17,7 +17,7 @@ machine_type:
 #
 #           [target1]       [target2]   [target3]       [target4]
 # [machine] qemuarm64       qemux86     qemuarm         qemux86-64
-# [yocto]   master          honister    hardknott       dunfell
+# [yocto]   kirkstone       honister    kirkstone       dunfell
 # [X11]     no              no          yes             yes
 # [mingw]   no              yes         no              no
 #
@@ -30,7 +30,7 @@ target1: &target1
       variableValue: qemuarm64
     - type: EnvironmentVariable
       variableName: MANIFEST
-      variableValue: master.xml
+      variableValue: kirkstone.xml
     - type: EnvironmentVariable
       variableName: TEST_CONFIGS
       variableValue: ci configs post-inclusive wayland
@@ -62,10 +62,10 @@ target3: &target3
       variableValue: qemuarm
     - type: EnvironmentVariable
       variableName: MANIFEST
-      variableValue: hardknott.xml
+      variableValue: kirkstone.xml
     - type: EnvironmentVariable
       variableName: TEST_CONFIGS
-      variableValue: ci configs pre-inclusive
+      variableValue: ci configs post-inclusive
   enable_if:
       condition: property
       property: target.arch